ATI DOSAGE CALCULATION AND SAFE MEDICATION ADMINISTRATION 3.0 - INJECTABLE MEDICATIONS QUESTIONS WITH CORRECT ANSWERS

A nurse is preparing to administer morphine 5 mg subcutaneous to a client. Available
is morphine 10 mg/mL. How many mL should the nurse administer? (Round to the
nearest tenth.)


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0.5 mL

Rationale:
1. 10 mg/1 mL = 5 mg/x mL
2. 10x = 5
3. x = 0.5 mL




A nurse is preparing to administer methylprednisolone acetate 40 mg IM daily.
Available is methylprednisolone acetate injection 20 mg/mL. How many mL should
the nurse administer per dose?


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, 2 mL

Rationale:
1. 20 mg/1 mL = 40 mg/x mL
2. 20x = 40
3. x = 2 mL




A nurse is preparing to administer heparin 15,000 units subcutaneous every 12 hours.
Available is heparin injection 20,000 units/mL. How many mL should the nurse
administer per dose? (Round to the nearest hundredth.)


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0.75 mL

Rationale:
1. 20,000 unit/1 mL = 15,000 units/x mL
2. 20,000x = 15,000
3. x = 0.75 mL




A nurse is preparing to administer penicillin G benzathine 1,200,000 units IM. Available
is penicillin G benzathine injection 600,000 units/mL. How many mL should the nurse
administer per dose?


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